1997-09-16 23:25:59 +04:00
|
|
|
/*
|
2000-04-14 21:44:20 +04:00
|
|
|
** $Id: lbuiltin.c,v 1.104 2000/04/13 18:08:18 roberto Exp roberto $
|
1997-09-16 23:25:59 +04:00
|
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|
** Built-in functions
|
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|
|
** See Copyright Notice in lua.h
|
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|
|
*/
|
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|
|
|
|
2000-03-03 17:58:26 +03:00
|
|
|
/*
|
|
|
|
** =========================================================================
|
|
|
|
** All built-in functions are public (i.e. not static) and are named luaB_f,
|
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|
|
** where f is the function name in Lua. So, if you do not need all these
|
|
|
|
** functions, you may register manually only the ones that you need.
|
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|
|
** =========================================================================
|
|
|
|
*/
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|
1997-12-30 20:57:45 +03:00
|
|
|
#include <ctype.h>
|
1997-09-16 23:25:59 +04:00
|
|
|
#include <stdio.h>
|
1997-12-30 20:57:45 +03:00
|
|
|
#include <stdlib.h>
|
1997-10-23 20:28:48 +04:00
|
|
|
#include <string.h>
|
1997-09-16 23:25:59 +04:00
|
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|
1999-11-22 16:12:07 +03:00
|
|
|
#define LUA_REENTRANT
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1997-09-16 23:25:59 +04:00
|
|
|
#include "lapi.h"
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|
|
#include "lauxlib.h"
|
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|
|
#include "lbuiltin.h"
|
1997-10-18 20:33:36 +04:00
|
|
|
#include "ldo.h"
|
1997-10-24 21:17:24 +04:00
|
|
|
#include "lfunc.h"
|
1997-09-16 23:25:59 +04:00
|
|
|
#include "lmem.h"
|
1997-10-18 20:33:36 +04:00
|
|
|
#include "lobject.h"
|
1997-11-19 20:29:23 +03:00
|
|
|
#include "lstate.h"
|
1997-09-16 23:25:59 +04:00
|
|
|
#include "lstring.h"
|
|
|
|
#include "ltable.h"
|
|
|
|
#include "ltm.h"
|
|
|
|
#include "lua.h"
|
1998-06-19 22:47:06 +04:00
|
|
|
#include "lundump.h"
|
1998-07-12 20:16:43 +04:00
|
|
|
#include "lvm.h"
|
1997-09-16 23:25:59 +04:00
|
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|
|
|
1997-09-26 19:02:26 +04:00
|
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|
|
1999-12-14 21:33:29 +03:00
|
|
|
/*
|
|
|
|
** function defined in ltests.c, to open some internal-test functions
|
|
|
|
*/
|
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|
|
void luaB_opentests (lua_State *L);
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|
1998-12-27 23:22:36 +03:00
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|
|
/*
|
1999-01-04 15:55:09 +03:00
|
|
|
** {======================================================
|
1999-02-12 22:23:02 +03:00
|
|
|
** Auxiliary functions
|
1998-12-27 23:22:36 +03:00
|
|
|
** =======================================================
|
|
|
|
*/
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|
2000-03-10 21:37:44 +03:00
|
|
|
static void pushtagstring (lua_State *L, TString *s) {
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|
|
ttype(L->top) = TAG_STRING;
|
1999-12-01 22:50:08 +03:00
|
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|
tsvalue(L->top) = s;
|
1999-11-04 20:23:12 +03:00
|
|
|
incr_top;
|
1997-10-18 20:33:36 +04:00
|
|
|
}
|
|
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|
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|
2000-03-10 21:37:44 +03:00
|
|
|
static Number getsize (const Hash *h) {
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|
|
Number max = 0;
|
1999-10-14 23:13:31 +04:00
|
|
|
int i = h->size;
|
1999-09-20 18:57:29 +04:00
|
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|
Node *n = h->node;
|
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|
|
while (i--) {
|
2000-03-10 21:37:44 +03:00
|
|
|
if (ttype(key(n)) == TAG_NUMBER &&
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|
|
ttype(val(n)) != TAG_NIL &&
|
1999-11-26 21:53:03 +03:00
|
|
|
nvalue(key(n)) > max)
|
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|
|
max = nvalue(key(n));
|
1999-09-20 18:57:29 +04:00
|
|
|
n++;
|
1998-11-13 19:39:18 +03:00
|
|
|
}
|
|
|
|
return max;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2000-03-10 21:37:44 +03:00
|
|
|
static Number getnarg (lua_State *L, const Hash *a) {
|
1998-12-30 16:14:46 +03:00
|
|
|
TObject index;
|
1999-10-14 23:13:31 +04:00
|
|
|
const TObject *value;
|
1998-12-30 16:14:46 +03:00
|
|
|
/* value = table.n */
|
2000-03-10 21:37:44 +03:00
|
|
|
ttype(&index) = TAG_STRING;
|
1999-11-22 16:12:07 +03:00
|
|
|
tsvalue(&index) = luaS_new(L, "n");
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|
|
value = luaH_get(L, a, &index);
|
2000-03-10 21:37:44 +03:00
|
|
|
return (ttype(value) == TAG_NUMBER) ? nvalue(value) : getsize(a);
|
1998-12-30 16:14:46 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
|
1999-11-22 16:12:07 +03:00
|
|
|
static Hash *gettable (lua_State *L, int arg) {
|
1999-12-02 19:24:45 +03:00
|
|
|
return avalue(luaL_tablearg(L, arg));
|
1998-11-13 19:39:18 +03:00
|
|
|
}
|
|
|
|
|
1999-01-04 15:55:09 +03:00
|
|
|
/* }====================================================== */
|
1998-12-30 16:14:46 +03:00
|
|
|
|
1998-11-13 19:39:18 +03:00
|
|
|
|
1998-12-27 23:22:36 +03:00
|
|
|
/*
|
1999-01-04 15:55:09 +03:00
|
|
|
** {======================================================
|
1998-12-27 23:22:36 +03:00
|
|
|
** Functions that use only the official API
|
|
|
|
** =======================================================
|
|
|
|
*/
|
1997-09-16 23:25:59 +04:00
|
|
|
|
|
|
|
|
1998-12-27 23:22:36 +03:00
|
|
|
/*
|
2000-03-03 17:58:26 +03:00
|
|
|
** If your system does not support `stderr', redefine this function, or
|
1999-02-22 17:17:24 +03:00
|
|
|
** redefine _ERRORMESSAGE so that it won't need _ALERT.
|
1998-12-27 23:22:36 +03:00
|
|
|
*/
|
1999-12-28 22:23:41 +03:00
|
|
|
void luaB__ALERT (lua_State *L) {
|
1999-11-22 16:12:07 +03:00
|
|
|
fputs(luaL_check_string(L, 1), stderr);
|
1997-09-16 23:25:59 +04:00
|
|
|
}
|
|
|
|
|
|
|
|
|
1998-12-27 23:22:36 +03:00
|
|
|
/*
|
|
|
|
** Standard implementation of _ERRORMESSAGE.
|
1999-12-27 20:33:22 +03:00
|
|
|
** The library `liolib' redefines _ERRORMESSAGE for better error information.
|
1998-12-27 23:22:36 +03:00
|
|
|
*/
|
1999-12-27 20:33:22 +03:00
|
|
|
void luaB__ERRORMESSAGE (lua_State *L) {
|
1999-11-22 16:12:07 +03:00
|
|
|
lua_Object al = lua_rawgetglobal(L, "_ALERT");
|
|
|
|
if (lua_isfunction(L, al)) { /* avoid error loop if _ALERT is not defined */
|
1999-12-30 21:27:03 +03:00
|
|
|
const char *s = luaL_check_string(L, 1);
|
|
|
|
char *buff = luaL_openspace(L, strlen(s)+sizeof("error: \n"));
|
|
|
|
strcpy(buff, "error: "); strcat(buff, s); strcat(buff, "\n");
|
1999-11-22 16:12:07 +03:00
|
|
|
lua_pushstring(L, buff);
|
|
|
|
lua_callfunction(L, al);
|
1999-02-22 17:17:24 +03:00
|
|
|
}
|
1997-09-16 23:25:59 +04:00
|
|
|
}
|
|
|
|
|
|
|
|
|
1998-12-27 23:22:36 +03:00
|
|
|
/*
|
2000-03-03 17:58:26 +03:00
|
|
|
** If your system does not support `stdout', you can just remove this function.
|
|
|
|
** If you need, you can define your own `print' function, following this
|
|
|
|
** model but changing `fputs' to put the strings at a proper place
|
1998-12-27 23:22:36 +03:00
|
|
|
** (a console window or a log file, for instance).
|
|
|
|
*/
|
1999-12-14 21:33:29 +03:00
|
|
|
void luaB_print (lua_State *L) {
|
1998-12-27 23:22:36 +03:00
|
|
|
lua_Object args[MAXPRINT];
|
1997-09-16 23:25:59 +04:00
|
|
|
lua_Object obj;
|
1998-12-27 23:22:36 +03:00
|
|
|
int n = 0;
|
|
|
|
int i;
|
1999-11-22 16:12:07 +03:00
|
|
|
while ((obj = lua_getparam(L, n+1)) != LUA_NOOBJECT) {
|
|
|
|
luaL_arg_check(L, n < MAXPRINT, n+1, "too many arguments");
|
1998-12-27 23:22:36 +03:00
|
|
|
args[n++] = obj;
|
|
|
|
}
|
|
|
|
for (i=0; i<n; i++) {
|
1999-11-22 16:12:07 +03:00
|
|
|
lua_pushobject(L, args[i]);
|
|
|
|
if (lua_call(L, "tostring"))
|
|
|
|
lua_error(L, "error in `tostring' called by `print'");
|
|
|
|
obj = lua_getresult(L, 1);
|
|
|
|
if (!lua_isstring(L, obj))
|
|
|
|
lua_error(L, "`tostring' must return a string to `print'");
|
1998-12-27 23:22:36 +03:00
|
|
|
if (i>0) fputs("\t", stdout);
|
1999-11-22 16:12:07 +03:00
|
|
|
fputs(lua_getstring(L, obj), stdout);
|
1998-06-01 02:19:35 +04:00
|
|
|
}
|
1998-12-15 17:59:59 +03:00
|
|
|
fputs("\n", stdout);
|
1997-09-16 23:25:59 +04:00
|
|
|
}
|
|
|
|
|
|
|
|
|
1999-12-14 21:33:29 +03:00
|
|
|
void luaB_tonumber (lua_State *L) {
|
1999-11-22 16:12:07 +03:00
|
|
|
int base = luaL_opt_int(L, 2, 10);
|
1998-06-19 20:14:09 +04:00
|
|
|
if (base == 10) { /* standard conversion */
|
2000-04-05 00:49:32 +04:00
|
|
|
lua_Object o = luaL_nonnullarg(L, 1);
|
2000-04-13 20:46:43 +04:00
|
|
|
if (lua_isnumber(L, o)) {
|
|
|
|
lua_pushnumber(L, lua_getnumber(L, o));
|
|
|
|
return;
|
|
|
|
}
|
1997-12-30 20:57:45 +03:00
|
|
|
}
|
|
|
|
else {
|
1999-11-22 16:12:07 +03:00
|
|
|
const char *s1 = luaL_check_string(L, 1);
|
1999-09-09 00:45:18 +04:00
|
|
|
char *s2;
|
2000-03-10 21:37:44 +03:00
|
|
|
Number n;
|
2000-04-13 22:08:18 +04:00
|
|
|
luaL_arg_check(L, 2 <= base && base <= 36, 2, "base out of range");
|
1999-09-09 00:45:18 +04:00
|
|
|
n = strtoul(s1, &s2, base);
|
2000-04-13 20:46:43 +04:00
|
|
|
if (s1 != s2) { /* at least one valid digit? */
|
|
|
|
while (isspace((unsigned char)*s2)) s2++; /* skip trailing spaces */
|
|
|
|
if (*s2 == '\0') { /* no invalid trailing characters? */
|
|
|
|
lua_pushnumber(L, n);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
}
|
1997-12-30 20:57:45 +03:00
|
|
|
}
|
2000-04-13 20:46:43 +04:00
|
|
|
lua_pushnil(L); /* else not a number */
|
1997-09-16 23:25:59 +04:00
|
|
|
}
|
|
|
|
|
|
|
|
|
1999-12-14 21:33:29 +03:00
|
|
|
void luaB_error (lua_State *L) {
|
1999-12-30 21:27:03 +03:00
|
|
|
lua_error(L, luaL_opt_string(L, 1, NULL));
|
1997-09-16 23:25:59 +04:00
|
|
|
}
|
|
|
|
|
1999-12-14 21:33:29 +03:00
|
|
|
void luaB_setglobal (lua_State *L) {
|
2000-03-03 17:58:26 +03:00
|
|
|
const char *name = luaL_check_string(L, 1);
|
1999-11-22 16:12:07 +03:00
|
|
|
lua_Object value = luaL_nonnullarg(L, 2);
|
|
|
|
lua_pushobject(L, value);
|
2000-03-03 17:58:26 +03:00
|
|
|
lua_setglobal(L, name);
|
1997-09-16 23:25:59 +04:00
|
|
|
}
|
|
|
|
|
1999-12-14 21:33:29 +03:00
|
|
|
void luaB_rawsetglobal (lua_State *L) {
|
2000-03-03 17:58:26 +03:00
|
|
|
const char *name = luaL_check_string(L, 1);
|
1999-11-22 16:12:07 +03:00
|
|
|
lua_Object value = luaL_nonnullarg(L, 2);
|
|
|
|
lua_pushobject(L, value);
|
2000-03-03 17:58:26 +03:00
|
|
|
lua_rawsetglobal(L, name);
|
1997-09-16 23:25:59 +04:00
|
|
|
}
|
|
|
|
|
1999-12-14 21:33:29 +03:00
|
|
|
void luaB_getglobal (lua_State *L) {
|
1999-11-22 16:12:07 +03:00
|
|
|
lua_pushobject(L, lua_getglobal(L, luaL_check_string(L, 1)));
|
1997-09-16 23:25:59 +04:00
|
|
|
}
|
|
|
|
|
1999-12-14 21:33:29 +03:00
|
|
|
void luaB_rawgetglobal (lua_State *L) {
|
1999-11-22 16:12:07 +03:00
|
|
|
lua_pushobject(L, lua_rawgetglobal(L, luaL_check_string(L, 1)));
|
1997-09-16 23:25:59 +04:00
|
|
|
}
|
|
|
|
|
1999-12-14 21:33:29 +03:00
|
|
|
void luaB_tag (lua_State *L) {
|
2000-04-05 00:49:32 +04:00
|
|
|
lua_pushnumber(L, lua_tag(L, luaL_nonnullarg(L, 1)));
|
1997-09-16 23:25:59 +04:00
|
|
|
}
|
|
|
|
|
1999-12-14 21:33:29 +03:00
|
|
|
void luaB_settag (lua_State *L) {
|
1999-11-22 16:12:07 +03:00
|
|
|
lua_Object o = luaL_tablearg(L, 1);
|
|
|
|
lua_pushobject(L, o);
|
|
|
|
lua_settag(L, luaL_check_int(L, 2));
|
|
|
|
lua_pushobject(L, o); /* return first argument */
|
1997-09-16 23:25:59 +04:00
|
|
|
}
|
|
|
|
|
1999-12-14 21:33:29 +03:00
|
|
|
void luaB_newtag (lua_State *L) {
|
1999-11-22 16:12:07 +03:00
|
|
|
lua_pushnumber(L, lua_newtag(L));
|
1997-09-16 23:25:59 +04:00
|
|
|
}
|
|
|
|
|
1999-12-14 21:33:29 +03:00
|
|
|
void luaB_copytagmethods (lua_State *L) {
|
1999-11-22 16:12:07 +03:00
|
|
|
lua_pushnumber(L, lua_copytagmethods(L, luaL_check_int(L, 1),
|
2000-04-14 21:44:20 +04:00
|
|
|
luaL_check_int(L, 2)));
|
1997-12-11 20:21:11 +03:00
|
|
|
}
|
|
|
|
|
1999-12-14 21:33:29 +03:00
|
|
|
void luaB_rawgettable (lua_State *L) {
|
1999-11-22 16:12:07 +03:00
|
|
|
lua_pushobject(L, luaL_nonnullarg(L, 1));
|
|
|
|
lua_pushobject(L, luaL_nonnullarg(L, 2));
|
|
|
|
lua_pushobject(L, lua_rawgettable(L));
|
1997-09-16 23:25:59 +04:00
|
|
|
}
|
|
|
|
|
1999-12-14 21:33:29 +03:00
|
|
|
void luaB_rawsettable (lua_State *L) {
|
1999-11-22 16:12:07 +03:00
|
|
|
lua_pushobject(L, luaL_nonnullarg(L, 1));
|
|
|
|
lua_pushobject(L, luaL_nonnullarg(L, 2));
|
|
|
|
lua_pushobject(L, luaL_nonnullarg(L, 3));
|
|
|
|
lua_rawsettable(L);
|
1997-09-16 23:25:59 +04:00
|
|
|
}
|
|
|
|
|
1999-12-14 21:33:29 +03:00
|
|
|
void luaB_settagmethod (lua_State *L) {
|
1999-11-22 16:12:07 +03:00
|
|
|
int tag = luaL_check_int(L, 1);
|
|
|
|
const char *event = luaL_check_string(L, 2);
|
|
|
|
lua_Object nf = luaL_nonnullarg(L, 3);
|
1999-12-30 21:27:03 +03:00
|
|
|
luaL_arg_check(L, lua_isnil(L, nf) || lua_isfunction(L, nf), 3,
|
|
|
|
"function or nil expected");
|
2000-03-10 21:37:44 +03:00
|
|
|
if (strcmp(event, "gc") == 0 && tag != TAG_NIL)
|
2000-03-28 00:08:02 +04:00
|
|
|
lua_error(L, "deprecated use: cannot set the `gc' tag method from Lua");
|
1999-11-22 16:12:07 +03:00
|
|
|
lua_pushobject(L, nf);
|
|
|
|
lua_pushobject(L, lua_settagmethod(L, tag, event));
|
1997-09-16 23:25:59 +04:00
|
|
|
}
|
|
|
|
|
1999-12-14 21:33:29 +03:00
|
|
|
void luaB_gettagmethod (lua_State *L) {
|
1999-11-26 21:53:03 +03:00
|
|
|
lua_pushobject(L, lua_gettagmethod(L, luaL_check_int(L, 1),
|
|
|
|
luaL_check_string(L, 2)));
|
1997-09-16 23:25:59 +04:00
|
|
|
}
|
|
|
|
|
1999-12-14 21:33:29 +03:00
|
|
|
void luaB_seterrormethod (lua_State *L) {
|
1999-11-22 16:12:07 +03:00
|
|
|
lua_Object nf = luaL_functionarg(L, 1);
|
|
|
|
lua_pushobject(L, nf);
|
|
|
|
lua_pushobject(L, lua_seterrormethod(L));
|
1997-09-16 23:25:59 +04:00
|
|
|
}
|
|
|
|
|
1999-12-14 21:33:29 +03:00
|
|
|
void luaB_collectgarbage (lua_State *L) {
|
1999-11-22 16:12:07 +03:00
|
|
|
lua_pushnumber(L, lua_collectgarbage(L, luaL_opt_int(L, 1, 0)));
|
1997-09-16 23:25:59 +04:00
|
|
|
}
|
|
|
|
|
1999-10-07 23:04:30 +04:00
|
|
|
|
1999-12-14 21:33:29 +03:00
|
|
|
void luaB_type (lua_State *L) {
|
1999-11-22 16:12:07 +03:00
|
|
|
lua_Object o = luaL_nonnullarg(L, 1);
|
|
|
|
lua_pushstring(L, lua_type(L, o));
|
1999-10-07 23:04:30 +04:00
|
|
|
}
|
|
|
|
|
1999-01-04 15:55:09 +03:00
|
|
|
/* }====================================================== */
|
1997-09-16 23:25:59 +04:00
|
|
|
|
1998-07-12 20:16:43 +04:00
|
|
|
|
1998-12-27 23:22:36 +03:00
|
|
|
/*
|
1999-01-04 15:55:09 +03:00
|
|
|
** {======================================================
|
1998-12-27 23:22:36 +03:00
|
|
|
** Functions that could use only the official API but
|
|
|
|
** do not, for efficiency.
|
|
|
|
** =======================================================
|
|
|
|
*/
|
|
|
|
|
1999-11-04 20:23:12 +03:00
|
|
|
|
1999-11-22 16:12:07 +03:00
|
|
|
static void passresults (lua_State *L) {
|
1999-11-04 20:23:12 +03:00
|
|
|
L->Cstack.base = L->Cstack.lua2C; /* position of first result */
|
|
|
|
if (L->Cstack.num == 0)
|
1999-11-22 16:12:07 +03:00
|
|
|
lua_pushuserdata(L, NULL); /* at least one result to signal no errors */
|
1999-11-04 20:23:12 +03:00
|
|
|
}
|
|
|
|
|
1999-12-14 21:33:29 +03:00
|
|
|
void luaB_dostring (lua_State *L) {
|
1998-12-27 23:22:36 +03:00
|
|
|
long l;
|
1999-11-22 16:12:07 +03:00
|
|
|
const char *s = luaL_check_lstr(L, 1, &l);
|
1998-12-27 23:22:36 +03:00
|
|
|
if (*s == ID_CHUNK)
|
1999-11-22 16:12:07 +03:00
|
|
|
lua_error(L, "`dostring' cannot run pre-compiled code");
|
|
|
|
if (lua_dobuffer(L, s, l, luaL_opt_string(L, 2, s)) == 0)
|
|
|
|
passresults(L);
|
2000-04-14 21:44:20 +04:00
|
|
|
else
|
|
|
|
lua_pushnil(L);
|
1998-12-27 23:22:36 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
|
1999-12-14 21:33:29 +03:00
|
|
|
void luaB_dofile (lua_State *L) {
|
1999-11-22 16:12:07 +03:00
|
|
|
const char *fname = luaL_opt_string(L, 1, NULL);
|
|
|
|
if (lua_dofile(L, fname) == 0)
|
|
|
|
passresults(L);
|
2000-04-14 21:44:20 +04:00
|
|
|
else
|
|
|
|
lua_pushnil(L);
|
1998-12-27 23:22:36 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
|
1999-12-14 21:33:29 +03:00
|
|
|
void luaB_call (lua_State *L) {
|
1999-11-22 16:12:07 +03:00
|
|
|
lua_Object f = luaL_nonnullarg(L, 1);
|
|
|
|
const Hash *arg = gettable(L, 2);
|
|
|
|
const char *options = luaL_opt_string(L, 3, "");
|
|
|
|
lua_Object err = lua_getparam(L, 4);
|
|
|
|
int narg = (int)getnarg(L, arg);
|
1998-12-27 23:22:36 +03:00
|
|
|
int i, status;
|
|
|
|
if (err != LUA_NOOBJECT) { /* set new error method */
|
1999-11-22 16:12:07 +03:00
|
|
|
lua_pushobject(L, err);
|
|
|
|
err = lua_seterrormethod(L);
|
1998-12-27 23:22:36 +03:00
|
|
|
}
|
|
|
|
/* push arg[1...n] */
|
1999-11-22 16:12:07 +03:00
|
|
|
luaD_checkstack(L, narg);
|
1998-12-27 23:22:36 +03:00
|
|
|
for (i=0; i<narg; i++)
|
1999-12-01 22:50:08 +03:00
|
|
|
*(L->top++) = *luaH_getint(L, arg, i+1);
|
1999-11-22 16:12:07 +03:00
|
|
|
status = lua_callfunction(L, f);
|
1998-12-27 23:22:36 +03:00
|
|
|
if (err != LUA_NOOBJECT) { /* restore old error method */
|
1999-11-22 16:12:07 +03:00
|
|
|
lua_pushobject(L, err);
|
|
|
|
lua_seterrormethod(L);
|
1998-12-27 23:22:36 +03:00
|
|
|
}
|
|
|
|
if (status != 0) { /* error in call? */
|
|
|
|
if (strchr(options, 'x')) {
|
1999-11-22 16:12:07 +03:00
|
|
|
lua_pushnil(L);
|
1998-12-27 23:22:36 +03:00
|
|
|
return; /* return nil to signal the error */
|
|
|
|
}
|
|
|
|
else
|
2000-03-03 17:58:26 +03:00
|
|
|
lua_error(L, NULL); /* propagate error without additional messages */
|
1998-12-27 23:22:36 +03:00
|
|
|
}
|
|
|
|
else { /* no errors */
|
1999-11-04 20:23:12 +03:00
|
|
|
if (strchr(options, 'p')) { /* pack results? */
|
1999-12-01 22:50:08 +03:00
|
|
|
luaV_pack(L, L->Cstack.lua2C, L->Cstack.num, L->top);
|
1999-11-04 20:23:12 +03:00
|
|
|
incr_top;
|
|
|
|
}
|
1998-12-27 23:22:36 +03:00
|
|
|
else
|
1999-11-04 20:23:12 +03:00
|
|
|
L->Cstack.base = L->Cstack.lua2C; /* position of first result */
|
1998-12-27 23:22:36 +03:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
1999-02-23 17:57:28 +03:00
|
|
|
|
1999-12-14 21:33:29 +03:00
|
|
|
void luaB_nextvar (lua_State *L) {
|
2000-04-05 00:49:32 +04:00
|
|
|
lua_Object o = lua_getparam(L, 1);
|
2000-03-10 21:37:44 +03:00
|
|
|
TString *name;
|
2000-04-05 00:49:32 +04:00
|
|
|
if (o == LUA_NOOBJECT || ttype(o) == TAG_NIL)
|
2000-03-03 17:58:26 +03:00
|
|
|
name = NULL;
|
1999-02-23 17:57:28 +03:00
|
|
|
else {
|
2000-03-10 21:37:44 +03:00
|
|
|
luaL_arg_check(L, ttype(o) == TAG_STRING, 1, "variable name expected");
|
2000-03-03 17:58:26 +03:00
|
|
|
name = tsvalue(o);
|
1999-02-23 17:57:28 +03:00
|
|
|
}
|
2000-03-03 17:58:26 +03:00
|
|
|
if (!luaA_nextvar(L, name))
|
1999-11-22 16:12:07 +03:00
|
|
|
lua_pushnil(L);
|
1999-02-23 17:57:28 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
|
1999-12-14 21:33:29 +03:00
|
|
|
void luaB_next (lua_State *L) {
|
1999-11-22 16:12:07 +03:00
|
|
|
const Hash *a = gettable(L, 1);
|
2000-04-05 00:49:32 +04:00
|
|
|
lua_Object k = lua_getparam(L, 2);
|
2000-03-03 17:58:26 +03:00
|
|
|
int i; /* `luaA_next' gets first element after `i' */
|
2000-04-05 00:49:32 +04:00
|
|
|
if (k == LUA_NOOBJECT || ttype(k) == TAG_NIL)
|
1999-10-14 23:13:31 +04:00
|
|
|
i = 0; /* get first */
|
|
|
|
else {
|
1999-11-22 16:12:07 +03:00
|
|
|
i = luaH_pos(L, a, k)+1;
|
|
|
|
luaL_arg_check(L, i != 0, 2, "key not found");
|
1999-10-14 23:13:31 +04:00
|
|
|
}
|
1999-11-22 16:12:07 +03:00
|
|
|
if (luaA_next(L, a, i) == 0)
|
|
|
|
lua_pushnil(L);
|
1999-02-23 17:57:28 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
|
1999-12-14 21:33:29 +03:00
|
|
|
void luaB_tostring (lua_State *L) {
|
2000-04-03 17:20:33 +04:00
|
|
|
lua_Object o = luaL_nonnullarg(L, 1);
|
1999-02-23 17:57:28 +03:00
|
|
|
char buff[64];
|
|
|
|
switch (ttype(o)) {
|
2000-03-10 21:37:44 +03:00
|
|
|
case TAG_NUMBER:
|
1999-12-02 19:24:45 +03:00
|
|
|
lua_pushstring(L, lua_getstring(L, o));
|
1999-02-23 17:57:28 +03:00
|
|
|
return;
|
2000-03-10 21:37:44 +03:00
|
|
|
case TAG_STRING:
|
1999-12-02 19:24:45 +03:00
|
|
|
lua_pushobject(L, o);
|
1999-02-23 17:57:28 +03:00
|
|
|
return;
|
2000-03-28 00:10:21 +04:00
|
|
|
case TAG_TABLE:
|
1999-11-16 15:50:48 +03:00
|
|
|
sprintf(buff, "table: %p", o->value.a);
|
1999-02-23 17:57:28 +03:00
|
|
|
break;
|
2000-03-10 21:37:44 +03:00
|
|
|
case TAG_LCLOSURE: case TAG_CCLOSURE:
|
1999-11-16 15:50:48 +03:00
|
|
|
sprintf(buff, "function: %p", o->value.cl);
|
1999-02-23 17:57:28 +03:00
|
|
|
break;
|
2000-03-10 21:37:44 +03:00
|
|
|
case TAG_USERDATA:
|
2000-03-03 17:58:26 +03:00
|
|
|
sprintf(buff, "userdata: %p(%d)", o->value.ts->u.d.value,
|
|
|
|
o->value.ts->u.d.tag);
|
1999-02-23 17:57:28 +03:00
|
|
|
break;
|
2000-03-10 21:37:44 +03:00
|
|
|
case TAG_NIL:
|
1999-11-22 16:12:07 +03:00
|
|
|
lua_pushstring(L, "nil");
|
1999-02-23 17:57:28 +03:00
|
|
|
return;
|
|
|
|
default:
|
1999-11-22 16:12:07 +03:00
|
|
|
LUA_INTERNALERROR(L, "invalid type");
|
1999-02-23 17:57:28 +03:00
|
|
|
}
|
1999-11-22 16:12:07 +03:00
|
|
|
lua_pushstring(L, buff);
|
1999-02-23 17:57:28 +03:00
|
|
|
}
|
|
|
|
|
1999-01-04 15:55:09 +03:00
|
|
|
/* }====================================================== */
|
1998-12-27 23:22:36 +03:00
|
|
|
|
|
|
|
|
1999-02-23 17:57:28 +03:00
|
|
|
|
1998-12-27 23:22:36 +03:00
|
|
|
/*
|
1999-01-04 15:55:09 +03:00
|
|
|
** {======================================================
|
1998-12-27 23:22:36 +03:00
|
|
|
** "Extra" functions
|
1999-01-04 15:55:09 +03:00
|
|
|
** These functions can be written in Lua, so you can
|
|
|
|
** delete them if you need a tiny Lua implementation.
|
|
|
|
** If you delete them, remove their entries in array
|
|
|
|
** "builtin_funcs".
|
1998-12-27 23:22:36 +03:00
|
|
|
** =======================================================
|
|
|
|
*/
|
|
|
|
|
1999-12-14 21:33:29 +03:00
|
|
|
void luaB_assert (lua_State *L) {
|
2000-04-05 00:49:32 +04:00
|
|
|
lua_Object p = luaL_nonnullarg(L, 1);
|
|
|
|
if (lua_isnil(L, p))
|
1999-11-22 16:12:07 +03:00
|
|
|
luaL_verror(L, "assertion failed! %.90s", luaL_opt_string(L, 2, ""));
|
1998-12-27 23:22:36 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
|
1999-12-14 21:33:29 +03:00
|
|
|
void luaB_foreachi (lua_State *L) {
|
1999-11-22 16:12:07 +03:00
|
|
|
const Hash *t = gettable(L, 1);
|
|
|
|
int n = (int)getnarg(L, t);
|
1999-11-26 21:53:03 +03:00
|
|
|
int i;
|
1999-12-02 19:24:45 +03:00
|
|
|
lua_Object f = luaL_functionarg(L, 2);
|
1999-11-22 16:12:07 +03:00
|
|
|
luaD_checkstack(L, 3); /* for f, key, and val */
|
1998-12-27 23:22:36 +03:00
|
|
|
for (i=1; i<=n; i++) {
|
1999-12-01 22:50:08 +03:00
|
|
|
*(L->top++) = *f;
|
2000-03-10 21:37:44 +03:00
|
|
|
ttype(L->top) = TAG_NUMBER; nvalue(L->top++) = i;
|
1999-12-01 22:50:08 +03:00
|
|
|
*(L->top++) = *luaH_getint(L, t, i);
|
|
|
|
luaD_call(L, L->top-3, 1);
|
2000-03-10 21:37:44 +03:00
|
|
|
if (ttype(L->top-1) != TAG_NIL)
|
1998-12-27 23:22:36 +03:00
|
|
|
return;
|
2000-03-03 17:58:26 +03:00
|
|
|
L->top--; /* remove nil result */
|
1998-12-27 23:22:36 +03:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
1999-12-14 21:33:29 +03:00
|
|
|
void luaB_foreach (lua_State *L) {
|
1999-11-22 16:12:07 +03:00
|
|
|
const Hash *a = gettable(L, 1);
|
1999-12-02 19:24:45 +03:00
|
|
|
lua_Object f = luaL_functionarg(L, 2);
|
1998-12-27 23:22:36 +03:00
|
|
|
int i;
|
1999-11-22 16:12:07 +03:00
|
|
|
luaD_checkstack(L, 3); /* for f, key, and val */
|
1999-10-14 23:13:31 +04:00
|
|
|
for (i=0; i<a->size; i++) {
|
1999-08-17 00:52:00 +04:00
|
|
|
const Node *nd = &(a->node[i]);
|
2000-03-10 21:37:44 +03:00
|
|
|
if (ttype(val(nd)) != TAG_NIL) {
|
1999-12-01 22:50:08 +03:00
|
|
|
*(L->top++) = *f;
|
|
|
|
*(L->top++) = *key(nd);
|
|
|
|
*(L->top++) = *val(nd);
|
|
|
|
luaD_call(L, L->top-3, 1);
|
2000-03-10 21:37:44 +03:00
|
|
|
if (ttype(L->top-1) != TAG_NIL)
|
1998-12-27 23:22:36 +03:00
|
|
|
return;
|
1999-12-01 22:50:08 +03:00
|
|
|
L->top--; /* remove result */
|
1998-12-27 23:22:36 +03:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
1999-12-14 21:33:29 +03:00
|
|
|
void luaB_foreachvar (lua_State *L) {
|
1999-12-02 19:24:45 +03:00
|
|
|
lua_Object f = luaL_functionarg(L, 1);
|
1999-11-04 20:23:12 +03:00
|
|
|
GlobalVar *gv;
|
1999-11-22 16:12:07 +03:00
|
|
|
luaD_checkstack(L, 4); /* for extra var name, f, var name, and globalval */
|
1999-11-04 20:23:12 +03:00
|
|
|
for (gv = L->rootglobal; gv; gv = gv->next) {
|
2000-03-10 21:37:44 +03:00
|
|
|
if (gv->value.ttype != TAG_NIL) {
|
1999-11-22 16:12:07 +03:00
|
|
|
pushtagstring(L, gv->name); /* keep (extra) name on stack to avoid GC */
|
1999-12-01 22:50:08 +03:00
|
|
|
*(L->top++) = *f;
|
1999-11-22 16:12:07 +03:00
|
|
|
pushtagstring(L, gv->name);
|
1999-12-01 22:50:08 +03:00
|
|
|
*(L->top++) = gv->value;
|
|
|
|
luaD_call(L, L->top-3, 1);
|
2000-03-10 21:37:44 +03:00
|
|
|
if (ttype(L->top-1) != TAG_NIL) {
|
1999-12-06 14:42:18 +03:00
|
|
|
*(L->top-2) = *(L->top-1); /* remove extra name */
|
1999-12-01 22:50:08 +03:00
|
|
|
L->top--;
|
1998-12-27 23:22:36 +03:00
|
|
|
return;
|
1999-02-23 17:57:28 +03:00
|
|
|
}
|
1999-12-01 22:50:08 +03:00
|
|
|
L->top-=2; /* remove result and extra name */
|
1998-12-27 23:22:36 +03:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
1999-12-14 21:33:29 +03:00
|
|
|
void luaB_getn (lua_State *L) {
|
1999-11-22 16:12:07 +03:00
|
|
|
lua_pushnumber(L, getnarg(L, gettable(L, 1)));
|
1999-02-04 22:12:35 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
|
1999-12-14 21:33:29 +03:00
|
|
|
void luaB_tinsert (lua_State *L) {
|
1999-11-22 16:12:07 +03:00
|
|
|
Hash *a = gettable(L, 1);
|
|
|
|
lua_Object v = lua_getparam(L, 3);
|
|
|
|
int n = (int)getnarg(L, a);
|
1998-12-30 16:16:50 +03:00
|
|
|
int pos;
|
|
|
|
if (v != LUA_NOOBJECT)
|
1999-11-22 16:12:07 +03:00
|
|
|
pos = luaL_check_int(L, 2);
|
1998-12-30 16:16:50 +03:00
|
|
|
else { /* called with only 2 arguments */
|
1999-11-22 16:12:07 +03:00
|
|
|
v = luaL_nonnullarg(L, 2);
|
1998-12-30 16:16:50 +03:00
|
|
|
pos = n+1;
|
|
|
|
}
|
1999-11-22 16:12:07 +03:00
|
|
|
luaV_setn(L, a, n+1); /* a.n = n+1 */
|
2000-03-03 17:58:26 +03:00
|
|
|
for (; n>=pos; n--)
|
1999-11-22 16:12:07 +03:00
|
|
|
luaH_move(L, a, n, n+1); /* a[n+1] = a[n] */
|
1999-12-02 19:24:45 +03:00
|
|
|
luaH_setint(L, a, pos, v); /* a[pos] = v */
|
1998-12-30 16:16:50 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
|
1999-12-14 21:33:29 +03:00
|
|
|
void luaB_tremove (lua_State *L) {
|
1999-11-22 16:12:07 +03:00
|
|
|
Hash *a = gettable(L, 1);
|
|
|
|
int n = (int)getnarg(L, a);
|
|
|
|
int pos = luaL_opt_int(L, 2, n);
|
1998-12-30 16:16:50 +03:00
|
|
|
if (n <= 0) return; /* table is "empty" */
|
1999-11-22 16:12:07 +03:00
|
|
|
luaA_pushobject(L, luaH_getint(L, a, pos)); /* result = a[pos] */
|
1998-12-30 16:16:50 +03:00
|
|
|
for ( ;pos<n; pos++)
|
1999-11-22 16:12:07 +03:00
|
|
|
luaH_move(L, a, pos+1, pos); /* a[pos] = a[pos+1] */
|
|
|
|
luaV_setn(L, a, n-1); /* a.n = n-1 */
|
|
|
|
luaH_setint(L, a, n, &luaO_nilobject); /* a[n] = nil */
|
1998-12-30 16:16:50 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
|
1999-11-04 20:23:12 +03:00
|
|
|
/*
|
|
|
|
** {======================================================
|
1999-01-04 15:55:09 +03:00
|
|
|
** Quicksort
|
2000-03-03 17:58:26 +03:00
|
|
|
** (based on `Algorithms in MODULA-3', Robert Sedgewick; Addison-Wesley, 1993.)
|
1998-12-27 23:22:36 +03:00
|
|
|
*/
|
|
|
|
|
1999-11-22 16:12:07 +03:00
|
|
|
static void swap (lua_State *L, Hash *a, int i, int j) {
|
1999-01-22 21:46:11 +03:00
|
|
|
TObject temp;
|
1999-11-22 16:12:07 +03:00
|
|
|
temp = *luaH_getint(L, a, i);
|
|
|
|
luaH_move(L, a, j, i);
|
|
|
|
luaH_setint(L, a, j, &temp);
|
1998-07-12 20:16:43 +04:00
|
|
|
}
|
|
|
|
|
1999-11-26 21:53:03 +03:00
|
|
|
static int sort_comp (lua_State *L, lua_Object f, const TObject *a,
|
|
|
|
const TObject *b) {
|
1999-12-27 20:33:22 +03:00
|
|
|
/* WARNING: the caller (auxsort) must ensure stack space */
|
1999-05-24 21:53:49 +04:00
|
|
|
if (f != LUA_NOOBJECT) {
|
1999-12-02 19:24:45 +03:00
|
|
|
*(L->top) = *f;
|
1999-12-01 22:50:08 +03:00
|
|
|
*(L->top+1) = *a;
|
|
|
|
*(L->top+2) = *b;
|
|
|
|
L->top += 3;
|
|
|
|
luaD_call(L, L->top-3, 1);
|
2000-02-22 21:12:46 +03:00
|
|
|
L->top--;
|
2000-03-10 21:37:44 +03:00
|
|
|
return (ttype(L->top) != TAG_NIL);
|
1998-07-12 20:16:43 +04:00
|
|
|
}
|
2000-03-09 03:19:22 +03:00
|
|
|
else /* a < b? */
|
|
|
|
return luaV_lessthan(L, a, b, L->top);
|
1998-07-12 20:16:43 +04:00
|
|
|
}
|
|
|
|
|
1999-11-22 16:12:07 +03:00
|
|
|
static void auxsort (lua_State *L, Hash *a, int l, int u, lua_Object f) {
|
1999-12-01 22:50:08 +03:00
|
|
|
StkId P = L->top++; /* temporary place for pivot */
|
2000-03-10 21:37:44 +03:00
|
|
|
ttype(P) = TAG_NIL;
|
1999-01-04 20:34:49 +03:00
|
|
|
while (l < u) { /* for tail recursion */
|
1999-01-04 15:55:09 +03:00
|
|
|
int i, j;
|
|
|
|
/* sort elements a[l], a[(l+u)/2] and a[u] */
|
1999-11-26 21:53:03 +03:00
|
|
|
if (sort_comp(L, f, luaH_getint(L, a, u), luaH_getint(L, a, l)))
|
|
|
|
swap(L, a, l, u); /* a[u]<a[l] */
|
1999-01-04 20:34:49 +03:00
|
|
|
if (u-l == 1) break; /* only 2 elements */
|
1999-01-04 15:55:09 +03:00
|
|
|
i = (l+u)/2;
|
1999-12-01 22:50:08 +03:00
|
|
|
*P = *luaH_getint(L, a, i); /* P = a[i] */
|
|
|
|
if (sort_comp(L, f, P, luaH_getint(L, a, l))) /* a[i]<a[l]? */
|
1999-11-22 16:12:07 +03:00
|
|
|
swap(L, a, l, i);
|
1999-12-01 22:50:08 +03:00
|
|
|
else if (sort_comp(L, f, luaH_getint(L, a, u), P)) /* a[u]<a[i]? */
|
1999-11-22 16:12:07 +03:00
|
|
|
swap(L, a, i, u);
|
1999-01-04 20:34:49 +03:00
|
|
|
if (u-l == 2) break; /* only 3 elements */
|
1999-12-01 22:50:08 +03:00
|
|
|
*P = *luaH_getint(L, a, i); /* save pivot on stack (GC) */
|
1999-11-22 16:12:07 +03:00
|
|
|
swap(L, a, i, u-1); /* put median element as pivot (a[u-1]) */
|
1999-01-04 15:55:09 +03:00
|
|
|
/* a[l] <= P == a[u-1] <= a[u], only needs to sort from l+1 to u-2 */
|
|
|
|
i = l; j = u-1;
|
1999-11-22 16:12:07 +03:00
|
|
|
for (;;) { /* invariant: a[l..i] <= P <= a[j..u] */
|
1999-10-14 23:13:31 +04:00
|
|
|
/* repeat i++ until a[i] >= P */
|
1999-12-01 22:50:08 +03:00
|
|
|
while (sort_comp(L, f, luaH_getint(L, a, ++i), P))
|
1999-11-22 16:12:07 +03:00
|
|
|
if (i>u) lua_error(L, "invalid order function for sorting");
|
1999-10-14 23:13:31 +04:00
|
|
|
/* repeat j-- until a[j] <= P */
|
1999-12-01 22:50:08 +03:00
|
|
|
while (sort_comp(L, f, P, luaH_getint(L, a, --j)))
|
1999-11-22 16:12:07 +03:00
|
|
|
if (j<l) lua_error(L, "invalid order function for sorting");
|
1999-01-04 15:55:09 +03:00
|
|
|
if (j<i) break;
|
1999-11-22 16:12:07 +03:00
|
|
|
swap(L, a, i, j);
|
1998-07-12 20:16:43 +04:00
|
|
|
}
|
1999-11-22 16:12:07 +03:00
|
|
|
swap(L, a, u-1, i); /* swap pivot (a[u-1]) with a[i] */
|
1999-01-04 15:55:09 +03:00
|
|
|
/* a[l..i-1] <= a[i] == P <= a[i+1..u] */
|
1999-01-04 20:34:49 +03:00
|
|
|
/* adjust so that smaller "half" is in [j..i] and larger one in [l..u] */
|
|
|
|
if (i-l < u-i) {
|
|
|
|
j=l; i=i-1; l=i+2;
|
1998-11-13 19:39:18 +03:00
|
|
|
}
|
|
|
|
else {
|
1999-01-04 20:34:49 +03:00
|
|
|
j=i+1; i=u; u=j-2;
|
1998-11-13 19:39:18 +03:00
|
|
|
}
|
1999-11-22 16:12:07 +03:00
|
|
|
auxsort(L, a, j, i, f); /* call recursively the smaller one */
|
1999-01-04 20:34:49 +03:00
|
|
|
} /* repeat the routine for the larger one */
|
1999-12-01 22:50:08 +03:00
|
|
|
L->top--; /* remove pivot from stack */
|
1998-07-12 20:16:43 +04:00
|
|
|
}
|
|
|
|
|
1999-12-14 21:33:29 +03:00
|
|
|
void luaB_sort (lua_State *L) {
|
1999-11-22 16:12:07 +03:00
|
|
|
Hash *a = gettable(L, 1);
|
|
|
|
int n = (int)getnarg(L, a);
|
|
|
|
lua_Object func = lua_getparam(L, 2);
|
|
|
|
luaL_arg_check(L, func == LUA_NOOBJECT || lua_isfunction(L, func), 2,
|
1999-05-24 21:53:49 +04:00
|
|
|
"function expected");
|
2000-03-03 17:58:26 +03:00
|
|
|
luaD_checkstack(L, 4); /* for pivot, f, a, b (sort_comp) */
|
1999-11-22 16:12:07 +03:00
|
|
|
auxsort(L, a, 1, n, func);
|
1998-07-12 20:16:43 +04:00
|
|
|
}
|
|
|
|
|
1999-11-04 20:23:12 +03:00
|
|
|
/* }====================================================== */
|
1998-07-12 20:16:43 +04:00
|
|
|
|
1998-12-27 23:22:36 +03:00
|
|
|
|
1999-11-04 20:23:12 +03:00
|
|
|
/* }====================================================== */
|
1998-12-27 23:22:36 +03:00
|
|
|
|
|
|
|
|
1999-08-17 00:52:00 +04:00
|
|
|
static const struct luaL_reg builtin_funcs[] = {
|
1999-12-28 22:23:41 +03:00
|
|
|
{"_ALERT", luaB__ALERT},
|
1999-12-27 20:33:22 +03:00
|
|
|
{"_ERRORMESSAGE", luaB__ERRORMESSAGE},
|
1998-12-15 18:21:09 +03:00
|
|
|
{"call", luaB_call},
|
|
|
|
{"collectgarbage", luaB_collectgarbage},
|
|
|
|
{"copytagmethods", luaB_copytagmethods},
|
1998-12-27 23:22:36 +03:00
|
|
|
{"dofile", luaB_dofile},
|
1998-12-15 18:21:09 +03:00
|
|
|
{"dostring", luaB_dostring},
|
|
|
|
{"error", luaB_error},
|
|
|
|
{"getglobal", luaB_getglobal},
|
1998-12-27 23:22:36 +03:00
|
|
|
{"gettagmethod", luaB_gettagmethod},
|
1998-12-15 18:21:09 +03:00
|
|
|
{"newtag", luaB_newtag},
|
|
|
|
{"next", luaB_next},
|
|
|
|
{"nextvar", luaB_nextvar},
|
|
|
|
{"print", luaB_print},
|
|
|
|
{"rawgetglobal", luaB_rawgetglobal},
|
|
|
|
{"rawgettable", luaB_rawgettable},
|
|
|
|
{"rawsetglobal", luaB_rawsetglobal},
|
|
|
|
{"rawsettable", luaB_rawsettable},
|
|
|
|
{"seterrormethod", luaB_seterrormethod},
|
|
|
|
{"setglobal", luaB_setglobal},
|
|
|
|
{"settag", luaB_settag},
|
1998-12-27 23:22:36 +03:00
|
|
|
{"settagmethod", luaB_settagmethod},
|
1999-11-30 16:06:50 +03:00
|
|
|
{"tag", luaB_tag},
|
1998-07-12 20:16:43 +04:00
|
|
|
{"tonumber", luaB_tonumber},
|
1998-12-15 18:21:09 +03:00
|
|
|
{"tostring", luaB_tostring},
|
1999-02-22 17:17:24 +03:00
|
|
|
{"type", luaB_type},
|
2000-03-03 17:58:26 +03:00
|
|
|
/* "Extra" functions */
|
1999-02-22 17:17:24 +03:00
|
|
|
{"assert", luaB_assert},
|
1998-12-27 23:22:36 +03:00
|
|
|
{"foreach", luaB_foreach},
|
|
|
|
{"foreachi", luaB_foreachi},
|
|
|
|
{"foreachvar", luaB_foreachvar},
|
1999-02-04 22:12:35 +03:00
|
|
|
{"getn", luaB_getn},
|
1998-12-30 16:16:50 +03:00
|
|
|
{"sort", luaB_sort},
|
|
|
|
{"tinsert", luaB_tinsert},
|
|
|
|
{"tremove", luaB_tremove}
|
1997-09-16 23:25:59 +04:00
|
|
|
};
|
|
|
|
|
|
|
|
|
1999-11-22 16:12:07 +03:00
|
|
|
void luaB_predefine (lua_State *L) {
|
1997-09-16 23:25:59 +04:00
|
|
|
/* pre-register mem error messages, to avoid loop when error arises */
|
1999-12-14 21:42:57 +03:00
|
|
|
luaS_newfixed(L, tableEM);
|
|
|
|
luaS_newfixed(L, memEM);
|
1999-11-22 20:39:51 +03:00
|
|
|
luaL_openl(L, builtin_funcs);
|
1999-12-20 16:10:38 +03:00
|
|
|
#ifdef DEBUG
|
|
|
|
luaB_opentests(L); /* internal test functions */
|
|
|
|
#endif
|
1999-11-22 16:12:07 +03:00
|
|
|
lua_pushstring(L, LUA_VERSION);
|
|
|
|
lua_setglobal(L, "_VERSION");
|
1997-09-16 23:25:59 +04:00
|
|
|
}
|
|
|
|
|